Frederick E. Pierce , Map of New York City, 1890/94. Showing the Distribution of the Principal Nationalities by Sanitary Districts. Published in Harper’s Weekly. Via making maps
It was made for the Tenement-House Committee, one of the progressive organizations working against urban slums and blight in the late 19th and early 20th centuries. The text notes that the original map was in color, but was redrawn for publication in monochrome.
